Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

There are forty elephants and they have forty-fore heads. How can this be possible?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Can you find out the missing number in the grid?

I am white when I am dirty, and black when I am clean. What am I?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

Can you find the company name in the pictogram below?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?